---
title: "Campaign Studio - April 11, 2022"
date: "2025-09-12T05:57:24+00:00"
summary: "Campaign Studio update: Merging open source versions, enabling future upgrades. See detailed release notes for Symfony 4.x upgrade."
image:
type: "announcement"
url: "/campaign-studio/release/2022-04-11/79346-campaign-studio-april-11-2022"
id: "34ef27d2-80e6-43e1-87bb-f7b9a6053857"
---

This release merges several versions of the open source project to Campaign Studio. This update will enable future required upgrades to back-end technology. For detailed release notes, see [Release notes - Campaign Studio Symfony upgrade 4.x](/campaign-studio/release-notes/symfony-upgrade4x).